What you get:
/Enderchest - access your enderchest from anywhere with a simple command
6 sethomes
/Nightvision - full bright
3 extra shards per generation + always earn shards from anywhere in the world (not just in afk area)
10 Gold keys
8 Prime Keys
3 Crimson Key
1 Amethyst Key
You'll get keys when you renew as well.